./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/memsafety-ext2/length_test03-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7db66fa755812d372ccac4d56a0ec85104dbcc6e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7db66fa755812d372ccac4d56a0ec85104dbcc6e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 11:21:21,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:21,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:21,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:21,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:21,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:21,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:21,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:21,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:21,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:21,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:21,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:21,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:21,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:21,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:21,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:21,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:21,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:21,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:21,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:21,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:21,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:21,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:21,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:21,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:21,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:21,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:21,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:21,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:21,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:21,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:21,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:21,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:21,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:21,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:21,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:21,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:21,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:21,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:21,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:21,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:21,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2019-11-27 11:21:21,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:21,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:21,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:21,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:21,400 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:21,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:21,403 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:21,403 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:21,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:21,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:21,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:21,405 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:21,406 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:21,406 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:21,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:21,408 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:21,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:21,409 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:21,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:21,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:21,412 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:21,412 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:21,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:21,413 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:21,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:21,413 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:21:21,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:21:21,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7db66fa755812d372ccac4d56a0ec85104dbcc6e [2019-11-27 11:21:21,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:22,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:22,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:22,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:22,022 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:22,023 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 11:21:22,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9241e0463/1e0c5449a376431bbda2164724d338fa/FLAGbe6275bc4 [2019-11-27 11:21:23,363 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:23,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 11:21:23,407 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9241e0463/1e0c5449a376431bbda2164724d338fa/FLAGbe6275bc4 [2019-11-27 11:21:23,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9241e0463/1e0c5449a376431bbda2164724d338fa [2019-11-27 11:21:23,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:23,850 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:23,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:23,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:23,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:23,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585ae230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:23, skipping insertion in model container [2019-11-27 11:21:23,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:23" (1/1) ... [2019-11-27 11:21:23,894 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:23,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:24,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:24,783 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:24,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:25,043 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:25,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25 WrapperNode [2019-11-27 11:21:25,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:25,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:25,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:25,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:25,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:25" (1/1) ... [2019-11-27 11:21:25,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:25,240 INFO L168 Benchmark]: Toolchain (without parser) took 1369.78 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.6 MB in the end (delta: -16.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:25,241 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:25,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1190.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:25,246 INFO L168 Benchmark]: Boogie Preprocessor took 170.28 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:25,252 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1190.64 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 963.1 MB in the beginning and 979.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 170.28 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 11:21:29,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:21:29,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:21:29,148 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:21:29,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:21:29,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:21:29,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:21:29,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:21:29,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:21:29,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:21:29,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:21:29,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:21:29,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:21:29,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:21:29,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:21:29,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:21:29,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:21:29,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:21:29,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:21:29,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:21:29,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:21:29,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:21:29,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:21:29,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:21:29,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:21:29,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:21:29,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:21:29,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:21:29,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:21:29,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:21:29,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:21:29,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:21:29,284 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:21:29,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:21:29,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:21:29,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:21:29,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:21:29,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:21:29,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:21:29,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:21:29,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:21:29,301 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2019-11-27 11:21:29,342 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:21:29,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:21:29,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:21:29,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:21:29,351 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:21:29,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:21:29,352 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 11:21:29,352 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:21:29,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:21:29,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 11:21:29,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:21:29,354 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:21:29,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:21:29,356 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:21:29,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:21:29,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:21:29,359 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:21:29,359 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:21:29,360 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 11:21:29,360 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:21:29,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:21:29,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:21:29,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:21:29,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:21:29,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:21:29,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:21:29,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:21:29,365 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:21:29,365 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:21:29,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:21:29,367 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7db66fa755812d372ccac4d56a0ec85104dbcc6e [2019-11-27 11:21:29,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:21:29,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:21:29,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:21:29,960 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:21:29,960 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:21:29,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 11:21:30,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852e42ef2/61e4cd8140f9417e97a1d32e340e5da5/FLAG6d39190b8 [2019-11-27 11:21:31,304 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:21:31,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2019-11-27 11:21:31,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852e42ef2/61e4cd8140f9417e97a1d32e340e5da5/FLAG6d39190b8 [2019-11-27 11:21:31,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852e42ef2/61e4cd8140f9417e97a1d32e340e5da5 [2019-11-27 11:21:31,420 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:21:31,427 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:21:31,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:31,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:21:31,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:21:31,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42beb182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:31, skipping insertion in model container [2019-11-27 11:21:31,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:21:31" (1/1) ... [2019-11-27 11:21:31,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:21:31,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:21:32,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:32,534 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 11:21:32,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 11:21:32,785 INFO L208 MainTranslator]: Completed translation [2019-11-27 11:21:32,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32 WrapperNode [2019-11-27 11:21:32,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:21:32,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 11:21:32,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 11:21:32,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 11:21:32,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:21:32" (1/1) ... [2019-11-27 11:21:32,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 11:21:32,994 INFO L168 Benchmark]: Toolchain (without parser) took 1564.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 972.5 MB in the end (delta: -12.3 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:32,996 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 11:21:33,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1355.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:33,003 INFO L168 Benchmark]: Boogie Preprocessor took 197.77 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 11:21:33,027 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1355.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 978.3 MB in the end (delta: -18.0 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Preprocessor took 197.77 ms. Allocated memory is still 1.0 GB. Free memory was 978.3 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...